# Construction Calc vs Draft Flow

The clearest difference is ads: Draft Flow at none against Construction Calc's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Construction Calc sells 3 in-app purchases, starting at $2.99 per 7 days and Draft Flow sells 3 in-app purchases, starting at $19.99 per month. Whichever you choose, the download price is not the number that matters.

Construction Calc ships an update every 2 months, Draft Flow monthly. The most recent releases landed on October 11, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Construction Calc | Draft Flow |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Monthly** |
| Size | 30 MB | 108 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Code Stars](https://appshunter.io/developer/1751123919) | [draftflow](https://appshunter.io/developer/1890463932) |

## What reviewers say

### Construction Calc

[App page](https://appshunter.io/ios/app/construction-calc-civil-calc/id6738019427)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Construction Calc: Weekly Ad-Free | $2.99 | per 7 days |
| Construction Calc: Monthly Ad-Free | $6.99 | per month |
| Construction Calc: Yearly Ad-Free | $34.99 | per year |


### Draft Flow

[App page](https://appshunter.io/ios/app/draft-flow/id6761615509)

**Features:** macOS Compatibility, Apple Wallet, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Subscription (Monthly) | $19.99 | per month |
| Advance Subscription (Monthly) | $39.99 | per month |
| Team Subscription (Monthly) | $119.99 | per month |


## Frequently asked questions

### Is Construction Calc free?

Construction Calc is free to download, with in-app purchases available.

### Is Draft Flow free?

Draft Flow is free to download, with in-app purchases available.

### Do Construction Calc or Draft Flow have ads?

Construction Calc shows ads; Draft Flow does not.

### Which is updated more often, Construction Calc or Draft Flow?

Construction Calc ships an update every 2 months, and Draft Flow monthly. Most recently, Construction Calc was updated on October 11, 2026 and Draft Flow on October 18, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*